PWM整流器Simulink仿真研究：双闭环控制下的电压电流同步与单位功率因数运行,基于Simulink的PWM整流器仿真研究：电压电流双闭环控制下的网侧同步与离散化处理,PWM整流器仿真 在sim
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PWM整流器Simulink仿真研究：双闭环控制下的电压电流同步与单位功率因数运行,基于Simulink的PWM整流器仿真研究：电压电流双闭环控制下的网侧同步与离散化处理,PWM整流器仿真。在simulink中搭建了PWM整流器，采用电压电流双闭环控制，实现了网侧电压与电流同相位，单位功率因数运行。采用基于双二阶广义积分器的锁相环，锁得电网相位。整个仿真全部离散化，运行时间更快，主电路与控制部分以不同的步长运行，更加贴合实际。,PWM整流器仿真;Simulink搭建;电压电流双闭环控制;网侧电压电流同相位;单位功率因数运行;双二阶广义积分器锁相环;仿真离散化;主电路与控制步长不同。,Simulink中PWM整流器仿真：双闭环控制与离散化运行 <link href="/image.php?url=https://csdnimg.cn/release/download_crawler_static/css/base.min.css" rel="stylesheet"/><link href="/image.php?url=https://csdnimg.cn/release/download_crawler_static/css/fancy.min.css" rel="stylesheet"/><link href="/image.php?url=https://csdnimg.cn/release/download_crawler_static/90424728/2/raw.css" rel="stylesheet"/><div id="sidebar" style="display: none"><div id="outline"></div></div><div class="pf w0 h0" data-page-no="1" id="pf1"><div class="pc pc1 w0 h0"><img alt="" class="bi x0 y0 w1 h1" src="/image.php?url=https://csdnimg.cn/release/download_crawler_static/90424728/bg1.jpg"/><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">**PWM<span class="_ _0"> </span><span class="ff2">整流器仿真研究：</span>Simulink<span class="_ _0"> </span><span class="ff2">中的实现与优化</span>**</div><div class="t m0 x1 h2 y2 ff2 fs0 fc0 sc0 ls0 ws0">一、引言</div><div class="t m0 x1 h2 y3 ff2 fs0 fc0 sc0 ls0 ws0">随着电力电子技术的发展，<span class="ff1">PWM<span class="_ _0"> </span></span>整流器因其高功率因数、低谐波失真等优点，<span class="_ _1"></span>在电力系统</div><div class="t m0 x1 h2 y4 ff2 fs0 fc0 sc0 ls0 ws0">中得到了广泛的应用。<span class="_ _2"></span>为了更好地理解和优化<span class="_ _0"> </span><span class="ff1">PWM<span class="_ _0"> </span></span>整流器的性能，<span class="_ _2"></span>仿真研究成为了一种重</div><div class="t m0 x1 h2 y5 ff2 fs0 fc0 sc0 ls0 ws0">要的手段。<span class="_ _3"></span>本文将详细介绍在<span class="_ _0"> </span><span class="ff1">Simulink<span class="_ _0"> </span></span>中搭建<span class="_ _0"> </span><span class="ff1">PWM<span class="_ _0"> </span></span>整流器仿真的过程，<span class="_ _3"></span>特别是采用电压电</div><div class="t m0 x1 h2 y6 ff2 fs0 fc0 sc0 ls0 ws0">流双闭环控制、基于双二阶广义积分器的锁相环，以及整个仿真的离散化处理等方面。</div><div class="t m0 x1 h2 y7 ff2 fs0 fc0 sc0 ls0 ws0">二、<span class="ff1">PWM<span class="_ _0"> </span></span>整流器的<span class="_ _0"> </span><span class="ff1">Simulink<span class="_ _0"> </span></span>搭建</div><div class="t m0 x1 h2 y8 ff2 fs0 fc0 sc0 ls0 ws0">在<span class="_ _0"> </span><span class="ff1">Simulink<span class="_ _0"> </span></span>中，<span class="_ _3"></span>我们可以根据<span class="_ _0"> </span><span class="ff1">PWM<span class="_ _0"> </span></span>整流器的实际电路结构搭建模型。<span class="_ _3"></span>整流器主电路通常包</div><div class="t m0 x1 h2 y9 ff2 fs0 fc0 sc0 ls0 ws0">括桥式整流器、<span class="_ _4"></span>滤波器、<span class="_ _4"></span>逆变器等部分。<span class="_ _4"></span>通过搭建这些电路模型，<span class="_ _4"></span>我们可以模拟整流器在工</div><div class="t m0 x1 h2 ya ff2 fs0 fc0 sc0 ls0 ws0">作过程中的电气特性。</div><div class="t m0 x1 h2 yb ff2 fs0 fc0 sc0 ls0 ws0">三、电压电流双闭环控制策略</div><div class="t m0 x1 h2 yc ff2 fs0 fc0 sc0 ls0 ws0">为了实现网侧电压与电流同相位，<span class="_ _5"></span>单位功率因数运行，<span class="_ _5"></span>我们采用了电压电流双闭环控制策略。</div><div class="t m0 x1 h2 yd ff2 fs0 fc0 sc0 ls0 ws0">这种控制策略能够实时检测整流器输出电压和电流，<span class="_ _6"></span>根据检测结果调整<span class="_ _7"> </span><span class="ff1">PWM<span class="_ _7"> </span></span>信号的占空比，</div><div class="t m0 x1 h2 ye ff2 fs0 fc0 sc0 ls0 ws0">从而<span class="_ _8"></span>实现<span class="_ _8"></span>对整<span class="_ _8"></span>流器<span class="_ _8"></span>输出<span class="_ _8"></span>功率<span class="_ _8"></span>的精<span class="_ _8"></span>确控<span class="_ _8"></span>制。<span class="_ _8"></span>在<span class="_ _0"> </span><span class="ff1">Simulink<span class="_"> </span></span>中，<span class="_ _8"></span>我们<span class="_ _8"></span>可以<span class="_ _8"></span>方便<span class="_ _8"></span>地实<span class="_ _8"></span>现这<span class="_ _8"></span>种控<span class="_ _8"></span>制策</div><div class="t m0 x1 h2 yf ff2 fs0 fc0 sc0 ls0 ws0">略的建模和仿真。</div><div class="t m0 x1 h2 y10 ff2 fs0 fc0 sc0 ls0 ws0">四、基于双二阶广义积分器的锁相环应用</div><div class="t m0 x1 h2 y11 ff2 fs0 fc0 sc0 ls0 ws0">为了锁得电网相位，<span class="_ _9"></span>我们采用了基于双二阶广义积分器的锁相环。<span class="_ _9"></span>这种锁相环具有较高的相</div><div class="t m0 x1 h2 y12 ff2 fs0 fc0 sc0 ls0 ws0">位检<span class="_ _8"></span>测精<span class="_ _8"></span>度和<span class="_ _8"></span>动态<span class="_ _8"></span>响应<span class="_ _8"></span>速度<span class="_ _8"></span>，能<span class="_ _8"></span>够实<span class="_ _8"></span>时跟<span class="_ _8"></span>踪电<span class="_ _8"></span>网相<span class="_ _8"></span>位的<span class="_ _8"></span>变化<span class="_ _8"></span>。在<span class="_ _a"> </span><span class="ff1">Simulink<span class="_"> </span></span>中，我<span class="_ _8"></span>们可<span class="_ _8"></span>以搭</div><div class="t m0 x1 h2 y13 ff2 fs0 fc0 sc0 ls0 ws0">建这种锁相环模型，并通过仿真验证其性能。</div><div class="t m0 x1 h2 y14 ff2 fs0 fc0 sc0 ls0 ws0">五、仿真的离散化处理与步长设置</div><div class="t m0 x1 h2 y15 ff2 fs0 fc0 sc0 ls0 ws0">为了提高仿真的运行速度，<span class="_ _5"></span>我们对整个仿真进行了离散化处理。<span class="_ _5"></span>通过设置合适的离散化步长，</div><div class="t m0 x1 h2 y16 ff2 fs0 fc0 sc0 ls0 ws0">我们可以实现主电路与控制部分以不同的步长运行，<span class="_ _9"></span>更加贴合实际。<span class="_ _9"></span>这种处理方法能够有效</div><div class="t m0 x1 h2 y17 ff2 fs0 fc0 sc0 ls0 ws0">地提高仿真的运行效率，同时保证仿真结果的准确性。</div><div class="t m0 x1 h2 y18 ff2 fs0 fc0 sc0 ls0 ws0">六、仿真结果与分析</div><div class="t m0 x1 h2 y19 ff2 fs0 fc0 sc0 ls0 ws0">通过<span class="_ _a"> </span><span class="ff1">Simulink<span class="_"> </span></span>中的仿<span class="_ _8"></span>真，<span class="_ _8"></span>我们<span class="_ _8"></span>可以<span class="_ _8"></span>观察<span class="_ _8"></span>到整<span class="_ _8"></span>流器<span class="_ _8"></span>在工<span class="_ _8"></span>作过<span class="_ _8"></span>程中<span class="_ _8"></span>的电<span class="_ _8"></span>压电<span class="_ _8"></span>流波<span class="_ _8"></span>形、<span class="_ _8"></span>功率<span class="_ _8"></span>因数</div><div class="t m0 x1 h2 y1a ff2 fs0 fc0 sc0 ls0 ws0">等关键参数的变化。<span class="_ _2"></span>通过分析这些参数的变化，<span class="_ _2"></span>我们可以评估整流器的性能，<span class="_ _3"></span>并找出可能存</div><div class="t m0 x1 h2 y1b ff2 fs0 fc0 sc0 ls0 ws0">在的<span class="_ _8"></span>问题<span class="_ _8"></span>和优<span class="_ _8"></span>化方<span class="_ _8"></span>向。<span class="_ _8"></span>同<span class="_ _8"></span>时，<span class="_ _8"></span>我们<span class="_ _8"></span>还可<span class="_ _8"></span>以通<span class="_ _8"></span>过改<span class="_ _8"></span>变<span class="_ _8"></span>仿真<span class="_ _8"></span>参数<span class="_ _8"></span>，如<span class="_ _8"></span>控制<span class="_ _8"></span>策略<span class="_ _8"></span>、锁<span class="_ _8"></span>相<span class="_ _8"></span>环参<span class="_ _8"></span>数等<span class="_ _8"></span>，</div><div class="t m0 x1 h2 y1c ff2 fs0 fc0 sc0 ls0 ws0">来进一步优化整流器的性能。</div><div class="t m0 x1 h2 y1d ff2 fs0 fc0 sc0 ls0 ws0">七、结论</div><div class="t m0 x1 h2 y1e ff2 fs0 fc0 sc0 ls0 ws0">本文介绍了在<span class="_ _0"> </span><span class="ff1">Simulink<span class="_ _0"> </span></span>中搭建<span class="_ _0"> </span><span class="ff1">PWM<span class="_ _0"> </span></span>整流器仿真的过程，<span class="_ _3"></span>包括电压电流双闭环控制、<span class="_ _3"></span>基于双</div></div><div class="pi" data-data='{"ctm":[1.611830,0.000000,0.000000,1.611830,0.000000,0.000000]}'></div></div>